Products > Test Equipment

BSIDE ESR02 Pro Transistor Tester (teardown & quick test)

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001:

--- Quote from: indman on September 22, 2018, 12:37:31 pm ---
--- Quote from: 001 on September 22, 2018, 09:57:53 am ---Sorry
Is BSideESR02 is ONE chineese version housed in fabric-made enclosure?

--- End quote ---
This clone can have the name chineese version DTU-1701. They are identical on an firmware and a hardware stuffing. :)


--- Quote from: precaud on September 22, 2018, 12:12:45 pm ---Yes, I always discharge capacitors before testing. But I wasn't testing capacitors last time it was used - I was sorting thru a box of pulled transistors,  separating FETs from BPs. It's quicker than looking up the numbers  :)  So this failure is unexpected.

--- End quote ---
I don't find any serious obstacles not to manage to repair this device. The scheme is rather simple in understanding if to study a detailed manual from dear Karl-Heinz. :)

--- End quote ---


Thanx

I`m looking for version with BIG monochrome display for my old eyes
Any ideas?

indman:
I have also weak eyes therefore I have here such clone with the big monochrome blue display!
https://ru.aliexpress.com/item/Free-Shipping-New-12864-LCD-Transistor-Tester-Capacitance-ESR-Meter-Diode-Triode-MOS-NPN-LCR/2044590569.html? spm=a2g0s.9042311.0.0.274233edI9VCwo
But he has no case. :D

all_repair:

--- Quote from: precaud on September 22, 2018, 04:05:54 am ---Powered mine up a couple days ago, it only shows a blank white screen after pushing the Test buttons to null the leads. I was fairly happy with it up till then. Probably not worth trying to repair... sigh.

--- End quote ---

My piece failed not long after I got it, but I was testing some uncharged cap .  After putting a new chip, so far it has been lasting quite a while.  I am suspect the original chip might be 2nd rated part.  I don't and can't  fault them at such a low price they are selling.

precaud:
Interesting. I wonder if there's a difference between DIP and flat pack packages in this respect?

rhb:
How does one do a FW update?  Is there a pinout for J6 somewhere?   

I can think of lots of features to add such as Vbe at Vce_sat.

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